After raising the Route Level to ten and passing the game's evolutionary trial.
After obtaining the Structural Vision ability, this was the first time Fan Fuzheng had encountered a situation where the ability failed.
He looked up at the nearby village. The ability still worked there.
He turned back toward the Underground City ahead, but there was still no reaction whatsoever.
"This is the first time I've seen this."
Fan Fuzheng was curious, but he couldn't directly ask the Guard Captain beside him.
He could more or less guess the reason.
If Structural Vision could decipher the Underground City's structure from this distance, then its security would be far too poor.
If the surveyor were an enemy, they could easily copy the Underground City's structure and formulate a targeted attack plan.
Of course, it was also possible that Structural Vision's current level was insufficient, or that the Underground City had installed some special protective measures.
Filled with curiosity, the two entered the first floor of the Underground City, one ahead of the other.
To be honest, it looked ordinary from a distance, and it remained ordinary inside.
The first floor of the Underground City was somewhat reminiscent of a shopping mall on Earth. Individual storefronts were divided one by one, with signs bearing different names hanging above them.
The shops did not look as though they were doing proper business. They looked more like they were displaying their products.
"Why are these shop names getting stranger and stranger?"
Fan Fuzheng looked around, momentarily unaccustomed to the slightly over-the-top names on the signs.
Not to mention names like Empire Building Materials Factory, Future Cannery, Galaxy War Chariot Factory, and Dream Refining Steel Plant.
Those factories even had branches under them.
For example, the Galaxy War Chariot Factory had four branches, namely: